syscall.sh / x32 / sigaltstack

sigaltstack

set and/or get signal stack context

compat_sys_sigaltstack(const stack_t *uss, stack_t *uoss)
number1073742349 (0x4000020d)
abix32
entry pointcompat_sys_sigaltstack
sinceLinux 3.4
man pagesigaltstack(2)
sourceelixir.bootlin.com

Registers

registervalue
rax1073742349, the syscall number
rdiconst stack_t *uss
rsistack_t *uoss
raxthe return value

Then run syscall to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/x32/sigaltstack